Incomplete passphrase

 is an item in Tyranny.

Description
This is an obscure collection of words and symbols, part of a greater passcode needed to remove the barrier preventing entrance to the Silent Archive. Additional fragments will be needed for the completed whole to be evident.

Location

 * Burning Library: Upper ruins, on a shelf near the fissure.
 * Burning Library: Lower ruins, on the shelves to the northeast, near the Sage's statue.
 * Burning Library: Lower ruins, on the shelves to the south-west, near the Scourge.
 * Burning Library: Upper ruins revisited, on the shelves to the north-east.

It becomes the completed passphrase once all four are gathered.